Thomas J. Clifford

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Massapequa, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Emergency alarm method and system utilizing cross cueing and rangin...
- Patent number 4,746,912
- Issue date May 24, 1988
- Thomas Clifford
- G08 - SIGNALLING
Information Patent Grant
Emergency signalling unit and alarm system for rescuing endangered...
- Patent number 4,468,656
- Issue date Aug 28, 1984
- Thomas J. Clifford
- G08 - SIGNALLING